Climatological Report (Monthly)
Issued by NWS Wilmington, OH

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000
CXUS51 KILN 011255
CLMDAY

CLIMATE REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
751 AM EST THU JAN 1 2015

...................................

...THE DAYTON CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1869 TO 2014

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              72   12/06/1998
                        12/02/1982
 LOW              -20   12/22/1989
HIGHEST            56   12/24        39      17       65  12/21
LOWEST             11   12/31        24     -13        1  12/12
AVG. MAXIMUM     41.9              38.1     3.8     39.9
AVG. MINIMUM     28.7              24.3     4.4     25.4
MEAN             35.3              31.2     4.1     32.6
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      5               9.6    -4.6       14
DAYS MIN <= 32     21              23.6    -2.6       22
DAYS MIN <= 0       0               0.9    -0.9        0

PRECIPITATION (INCHES)
TOTALS           2.79              3.12   -0.33     4.58
DAILY AVG.       0.09              0.10   -0.01     0.15
DAYS >= .01        12              12.4    -0.4       13
DAYS >= .10         8               6.5     1.5        7
DAYS >= .50         2               2.1    -0.1        2
DAYS >= 1.00        0               0.6    -0.6        1
GREATEST
 24 HR. TOTAL    1.60   12/05 TO 12/06           12/21 TO 12/22
                                                          12/22 TO 12/22
                                                          12/22 TO 12/22
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    12/22(00) TO 12/22(00)
                                                 12/22(00) TO 12/22(00)2
                                                 12/22(00) TO 12/22(00)2

SNOWFALL (INCHES)
TOTALS            0.1               4.5    -4.4     12.6
SINCE 7/1         4.2               5.5    -1.3     14.6
DAYS >= TRACE       8               4.6     3.4       14
DAYS >= 1.0         0               1.2    -1.2        5
GREATEST
 24 HR TOTAL      0.1   12/03 TO 12/03           12/22 TO 12/22
                                                          12/22 TO 12/22
                                                          12/22 TO 12/22
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    12/22(00) TO 12/22(00)
                                                 12/22(00) TO 12/22(00)2
                                                 12/22(00) TO 12/22(00)2

DEGREE_DAYS
HEATING TOTAL     913              1048    -135      995
 SINCE 7/1       2129              2159     -30     2119
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        977               891      86     1062
...................................................

WIND (MPH)
AVERAGE WIND SPEED              9.6
RESULTANT WIND SPEED/DIRECTION   2/268
HIGHEST WIND SPEED/DIRECTION    32/270    DATE  12/24
HIGHEST GUST SPEED/DIRECTION    42/250    DATE  12/24

SKY COVER
AVERAGE SKY COVER           0.80

AVERAGE RH (PERCENT)     78

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       6
LIGHT RAIN               17     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                7     SLEET                      1
FOG                      25     FOG W/VIS <= 1/4 MILE      1
HAZE                     13

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

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